Chpters 35 N 35 Final Chpters Of Radiology

Question 0

Periodontal ligament space

Answer 0

Normal periodontal ligament space appears as a thin radiolucent line

Question 1

Lamina dura

Answer 1

The lamina dura of teeth appears as a dense radiopaque line around the roots.

Question 2

Generalized

Answer 2

Bone lose occurs evenly throughout the dental arches with more than 30% of sites involved

Question 3

Bone lose Canberra classified as

Answer 3

Slight moderate or severe.

Question 4

The severity of bone lose is measured by the

Answer 4

Clinical attachment loss ( CAL)

Question 5

Moderate bone lose

Answer 5

3 to 4 mm

Question 6

Type II bone lose

Answer 6

Mild or slight , mild crestal changes

Question 7

Calcules

Answer 7

Is a stone like concretion that forms on the crowns and roots of teeth due to calcification of bacterial plaque.

Question 8

Calculate acts as a

Answer 8

Contributing factor to periodontal disease

Question 9

Root fractures

Answer 9

occur most often in the maxillary central incisor region. Less common than crown fractures and result from an accident or traumatic blow

Question 10

Jaw fractures

Answer 10

Occurs more often than any other bone of the face. Frenguently as a result of assaults accidents or sports injury.

Question 11

For the evaluation of mandibular fractures a

Answer 11

Panoramic image is recommended

Question 12

Luxation

Answer 12

The abnormal displacement of teeth. Can be categorized as intrusion or extrusion

Question 13

Intrusion

Answer 13

Abnormal displacement of teeth into the bone

Question 14

Extrusion

Answer 14

abnormal placement of the teeth out of bone

Question 15

Teeth that has been luxated should be examined for

Answer 15

Root and adjacent bone fractures, damage to the periodontal ligament , and pulpal problems

Question 16

Avulsion

Answer 16

Complete displacement of tooth from the alveolar bone.

Question 17

Physiologic resorption

Answer 17

A process that is seen with the normal shedding of primary teeth.

Question 18

Pulp obliteration

Answer 18

Does not appear to have a pulp chamber or pulp canals, these teeth are none vital and do not require treatment.

Question 19

Obliteration of the pulp cavity can be a result from

Answer 19

Attrition , abrasion, caries dental restorations trauma abnormal mechanical forces. A irritant That has acted stimulated the production of secondary Denten

Question 20

Pulp stones calcifications that are found in the pulp chamber or canals of teeth appear as

Answer 20

Round radiopacities.may conform to the shape of the pulp chamber or canal do not require treatment.

Question 21

Periapical cyst ( radicular cyst )

Answer 21

A lesion that develops over a long period of time. Results from pulpal death and necrosis.

Question 22

Periapicle cyst

Answer 22

Most common of all tooth related cysts and comptise50 to 70 % of all cyst in the oral region.

Question 23

Periapicle abscess

Answer 23

Localized collection opus in the periapicalregion of the tooth that results from pupal death

Question 24

Acute periapicalregion abscess has features

Answer 24

Of an acute pus producing process and inflammation ,the tooth is no vital and sinsitive to pressure perfusion and heat

Question 25

Chorionic periapicalregion abscess

Answer 25

Asymptomatic because the pus drains through the bone or periodontal ligament space.

Question 26

Condensing osteitis (chronic focal sclerosing osteomyelitis )

Answer 26

Radiopacity that is found below the apex of a no vital tooth with history of long standing pulpitis may very in size and does not appear to be attached to the tooth.

Question 27

Periapical abscess referes to

Answer 27

An infection in the pulp of the tooth

Question 28

Periodontal abscess referes to an

Answer 28

A purulent inflammation withen periodontal tissue

Question 29

The most common periapicalregion radiopacity observed in adults

Answer 29

Condensing osteitis